CN115799897A - Novel photovoltaic wall-penetrating terminal - Google Patents
Novel photovoltaic wall-penetrating terminal Download PDFInfo
- Publication number
- CN115799897A CN115799897A CN202310069543.8A CN202310069543A CN115799897A CN 115799897 A CN115799897 A CN 115799897A CN 202310069543 A CN202310069543 A CN 202310069543A CN 115799897 A CN115799897 A CN 115799897A
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- Prior art keywords
- lower cover
- upper cover
- terminal
- cover
- waterproof
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000010354 integration Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a novel photovoltaic wall-through terminal which comprises an upper cover and a lower cover, wherein the lower cover is buckled on the top of the upper cover, the lower cover and the upper cover are movably connected through a spring rotating shaft, and positioning cylinders are arranged at the edge and the corner of the upper cover. The waterproof structure has the advantages that the structure is a three-in-one structure integrating a wiring terminal structure (namely a copper bar and a wiring terminal), a waterproof cover structure (an upper cover and a lower cover) and a waterproof joint structure (a waterproof ring and a clamping ring), additional assembly is not needed, wiring is convenient for customers to operate, the waterproof cover structure is not needed to be added externally, the waterproof cover structure is integrated on a product integrally, an internal wiring mode is adopted, after the wire terminal is connected in the lower cover through the wiring terminal and a nut, the upper cover is buckled, the waterproof ring is located at a buckling gap of the upper cover and the lower cover at the moment, the waterproof protection effect on the wiring position is achieved, meanwhile, the clamping rings are tightly hooped on the outer surface of the wire, the waterproof protection is achieved on the joint of the wire and the upper cover and the lower cover, and the waterproof effect is good.
Description
Technical Field
The invention relates to the technical field of through-wall terminals, in particular to a novel photovoltaic through-wall terminal.
Background
The wiring terminal is a common part for realizing electrical connection, and along with the rapid development of the electrical industry, the wiring terminal is applied more and more as an indispensable connecting piece and widely applied among various electrical devices; the through-wall type wiring terminal is widely applied to the industries of automation control, frequency converters, communication and the like.
Prior art CN201820564256.9 integral type through-wall binding post, including first plastic stationary blade, the second plastic stationary blade, the binding screw, the concatenation screw rod, screw nut, hardware and more than one plastic base, the plastic base is the integral type structure, the plastic base includes the hardware mount table, first wiring platform and second wiring platform, two wiring ends of hardware set up respectively on first wiring platform and second wiring, its use cost has been reduced on traditional through-wall terminal basis, the stability of electric performance has been ensured in integral type structural design, there can not exist the condition that contact failure or contact effect are not good in the use, the installation operability at the lower position is convenient.
And to this prior art, the through-wall terminal is independent structure, and the external connection part can be furnished with a buckler + water joint specially, needs to install the assembly to buckler and water joint in addition to influence the wiring of terminal, the wiring is more difficult and loaded down with trivial details.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel photovoltaic wall-through terminal which has the advantages of high product integration level, simple and convenient wiring, strong product waterproof performance and the like, and solves the problems in the prior art.
In order to realize the purposes of high integration level, simple and convenient wiring and strong waterproof performance of the product, the invention provides the following technical scheme: a novel photovoltaic wall-through terminal comprises an upper cover and a lower cover, wherein the lower cover is buckled on the top of the upper cover, and the lower cover is movably connected with the upper cover through a spring rotating shaft;
the edge and the corner of the upper cover are provided with positioning cylinders, screws are inserted into the positioning cylinders, the edge of the top of each positioning cylinder is fixedly connected with a fixing belt, and one side of each fixing belt is fixedly connected with a buckle;
a screw tube is arranged at the position, corresponding to the positioning tube, of the lower cover and is in threaded connection with a screw, a circle of waterproof ring is fixedly connected to the top of the lower cover, a clamping block is fixedly connected to one side of the lower cover, and the clamping buckle is buckled at the clamping block;
the copper bar is fixedly connected inside the lower cover, a plurality of clamping rings are fixedly connected at the side openings of the lower cover and the upper cover, wires are clamped on the inner sides of the clamping rings, and terminals of the wires are located inside the lower cover;
the inside fixedly connected with wiring end of lower cover, wiring end runs through the wire rod terminal, threaded connection has the nut on the wiring end.
Preferably, the upper cover and the lower cover are tightly buckled, and the upper cover and the lower cover form a ninety-degree angle when the upper cover is opened through the spring rotating shaft.
Adopt above-mentioned technical scheme: this product has assembled binding post structure (copper bar, wiring end promptly), buckler structure (upper cover, lower cover) and water joint design (waterproof circle, snap ring) trinity structure as an organic whole.
Preferably, the upper cover is fixedly connected with the lower cover through a positioning cylinder, a screw and a screw cylinder when the upper cover and the lower cover are buckled, and the fixing band and the buckle are of an integrated structure.
Adopt above-mentioned technical scheme: this product is guaranteeing simple operation, the convenience of working a telephone switchboard when, has increased and has carried out waterproof upper cover structure of protection to the binding post.
Preferably, the fixing band is made of elastic materials, and the clamping buckle is separated from the clamping block when the fixing band is lifted.
Adopt above-mentioned technical scheme: through the setting of spring shaft, taking off the screw, removing the buckle after, the spring shaft can make the ninety degrees angles of upper cover upset to keep this angle, need not external force and support, convenient wiring.
Preferably, the shape of the buckle is L-shaped, and the screw cylinder and the positioning cylinder are in up-down one-to-one correspondence.
Preferably, the waterproof ring is located the lock gap department of upper cover and lower cover, the waterproof ring is the silica gel material.
Adopt above-mentioned technical scheme: this product need not the peripheral hardware and increases the buckler structure, but with integrative integration of buckler structure on the product, adopt the form of internal wiring, after the wire rod terminal connects through wiring end and nut in the lower cover is inside, the lock upper cover, the waterproof circle this moment is located the lock gap department of upper cover and lower cover, play the effect that carries out water protection to wiring department, a plurality of snap rings tighten hoop at the wire rod surface simultaneously, carry out water protection to the junction of wire rod and upper cover and lower cover, follow-up messenger's buckle is in the fixture block department of lower cover, and tighten the screw in location section of thick bamboo and screw section of thick bamboo department, thereby it is inseparable to make upper cover and lower cover connect, when guaranteeing this product to carry out water protection effect to the terminal, adopt binding post structure (trinity copper bar, wiring end), the buckler structure (upper cover, lower cover) and waterproof joint structure (waterproof circle, the snap ring) structure as an organic whole, need not to assemble in addition, make things convenient for customer's operation wiring.
Preferably, the copper bar is fixedly connected with the wiring end, and the clamping ring is semi-annular.
Preferably, the snap ring forms a circular ring to be sleeved on the outer surface of the wire rod when the upper cover and the lower cover are combined, and a flat terminal is integrated at the end part of the wire rod.
Preferably, the nut is screwed on a wire terminal located at the center of the inside of the lower cover.
(III) advantageous effects
Compared with the prior art, the invention provides a novel photovoltaic wall-through terminal, which has the following beneficial effects:
1. this novel wall terminal of wearing of photovoltaic has assembleed binding post structure (copper bar, wiring end promptly), buckler structure (upper cover, lower cover) and water joint design (waterproof circle, snap ring) trinity structure as an organic whole, need not in addition the assembly, makes things convenient for the customer operation wiring.
2. This novel wall terminal of wearing of photovoltaic need not the peripheral hardware and increases the buckler structure, but with integrative integration of buckler structure on the product, adopt the form of internal wiring, after the wire rod terminal connects through wiring end and nut in the lower cover is inside, the lock upper cover, waterproof circle this moment is located the lock gap department of upper cover and lower cover, play the effect of carrying out water protection to wiring department, a plurality of snap rings lock tightly hoop at the wire rod surface simultaneously, carry out water protection to the junction of wire rod and upper cover and lower cover, water-proof effects is good.
3. This novel wall terminal of wearing of photovoltaic through the setting of spring shaft, taking off the screw, remove the buckle back, spring shaft can make the ninety degrees angles of upper cover upset to keep this angle, need not external force and support, convenient wiring.
Drawings
Fig. 1 is a schematic view of an opening structure of a novel photovoltaic wall-penetrating terminal provided by the invention;
FIG. 2 is a schematic structural view of the novel photovoltaic through-wall terminal provided by the invention when being buckled with the upper cover and the lower cover;
fig. 3 is a schematic side view of a novel photovoltaic wall terminal according to the present invention;
fig. 4 is a schematic structural diagram of a novel photovoltaic wall-through terminal according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
fig. 6 is a schematic structural view of the present invention when the upper cover is opened.
In the figure: 1-upper cover, 2-lower cover, 3-spring rotating shaft, 4-positioning cylinder, 5-screw, 6-fixing band, 7-buckle, 8-screw cylinder, 9-waterproof ring, 10-clamping block, 11-copper bar, 12-clamping ring, 13-wire, 14-wiring terminal, 15-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a novel photovoltaic wall-through terminal comprises an upper cover 1 and a lower cover 2, wherein the lower cover 2 is buckled on the top of the upper cover 1, and the lower cover 2 is movably connected with the upper cover 1 through a spring rotating shaft 3;
the edge and the corner of the upper cover 1 are provided with positioning cylinders 4, screws 5 are inserted into the positioning cylinders 4, the edge of the top of each positioning cylinder 4 is fixedly connected with a fixing belt 6, and one side of each fixing belt 6 is fixedly connected with a buckle 7;
a screw cylinder 8 is arranged at the position, corresponding to the positioning cylinder 4, of the lower cover 2, the screw cylinder 8 is in threaded connection with a screw 5, a circle of waterproof ring 9 is fixedly connected to the top of the lower cover 2, a clamping block 10 is fixedly connected to one side of the lower cover 2, and the buckle 7 is buckled at the clamping block 10;
the copper bar 11 is fixedly connected inside the lower cover 2, a plurality of clamping rings 12 are fixedly connected at the side openings of the lower cover 2 and the upper cover 1, wires 13 are clamped on the inner sides of the clamping rings 12, and terminals of the wires 13 are positioned inside the lower cover 2;
the inside fixedly connected with terminal 14 of lower cover 2, terminal 14 runs through wire 13 terminal, and threaded connection has nut 15 on terminal 14.
Example 1: as shown in figure 1, when the product is opened, the upper cover 1 and the lower cover 2 are ninety degrees under the action of the spring rotating shaft 3, and the wiring space for customer operation is large.
Example 2: the upper cover 1 and the lower cover 2 are tightly buckled, and the upper cover 1 and the lower cover 2 form a ninety-degree angle when the upper cover 1 is opened through the spring rotating shaft 3. This product has assembled binding post structure (11, wiring end 14 promptly), waterproof cover structure (upper cover 1, lower cover 2) and waterproof joint structure (waterproof circle 9, snap ring 12) trinity structure as an organic whole.
Example 3: when the upper cover 1 and the lower cover 2 are buckled, the upper cover and the lower cover are fixedly connected through the positioning cylinder 4, the screw 5 and the screw cylinder 8, and the fixing belt 6 and the buckle 7 are of an integral structure. This product is guaranteeing that wiring easy operation, convenient while, has increased and has carried out waterproof upper cover 1 structure of protection to the binding post.
Example 4: the fixing band 6 is made of elastic material, and the buckle 7 is separated from the clamping block 10 when the fixing band 6 is lifted. Through the setting of spring pivot 3, taking off screw 5, moving buckle 7 back, spring pivot 3 can make 1 the ninety degrees angles of upper cover upset to keep this angle, need not external force and support, convenient wiring.
Example 5: the shape of the buckle 7 is L-shaped, and the screw tube 8 is in one-to-one correspondence with the positioning tube 4. Waterproof circle 9 is located the lock gap department of upper cover 1 and lower cover 2, and waterproof circle 9 is the silica gel material. This product need not the peripheral hardware and increases the buckler structure, but with the integrative integration of buckler structure on the product, adopt the form of internal wiring, after the wire rod 13 terminal connects well in 2 insides of lower cover through wiring end 14 and nut 15, lock upper cover 1, waterproof circle 9 this moment is located the lock gap department of upper cover 1 and lower cover 2, play the effect that carries out water protection to the junction, a plurality of snap rings 12 lock tightly hoop at wire rod 13 surface simultaneously, carry out water protection to the junction of wire rod 13 and upper cover 1 and lower cover 2, follow-up buckle 7 that makes is buckled in the fixture block 10 department of lower cover 2, and tighten screw 5 in location section of thick bamboo 4 and screw section of thick bamboo 8 department, thereby make upper cover 1 and lower cover 2 connect closely, when guaranteeing this product to carry out water protection effect to the terminal, adopt binding post structure (11 promptly, wiring end 14), waterproof cover structure (upper cover 1, lower cover 2) and waterproof joint structure (waterproof circle 9, snap ring 12) be the trinity structure as an organic whole, need not to assemble in addition, make things convenient for the customer to operate the copper bar wiring.
Example 6: the copper bar 11 is fixedly connected with the wiring terminal 14, and the snap ring 12 is in a semi-annular shape. The snap ring 12 forms a circular ring to be sleeved on the outer surface of the wire 13 when the upper cover 1 and the lower cover 2 are combined, and a flat terminal is integrated at the end part of the wire 13. The nut 15 is screwed onto the wire 13 terminal, the terminal 14 being located in the middle inside the lower cover 2.
Example 7: as shown in fig. 2, when the terminal wire is connected to connect the upper cover 1 and the lower cover 2, the upper cover 1 is fastened, the buckle 7 is pressed to be fastened at the position of the fixture block 10, and then the screw 5 is locked.
Example 8: as shown in fig. 4, when the upper cover 1 is opened, the operation wiring work can be directly performed on the front surface of the lower cover 2.
When this device uses:
connect the back when 13 terminals of wire rod in 2 insides of lower cover through wiring end 14 and nut 15, lock upper cover 1, waterproof circle 9 this moment is located upper cover 1 and 2 lock gaps of lower cover, play the effect of carrying out water protection to the wiring department, a plurality of snap rings 12 lock tightly hoop at 13 surfaces of wire rod simultaneously, carry out water protection to the junction of wire rod 13 and upper cover 1 and lower cover 2, follow-up buckle 7 that makes is detained in the fixture block 10 department of lower cover 2, and fix a position a section of thick bamboo 4 and screw section of thick bamboo 8 department and tighten screw 5, thereby make upper cover 1 and lower cover 2 connect closely.
In conclusion, the novel photovoltaic wall-penetrating terminal integrates a wiring terminal structure (namely the copper bar 11 and the wiring end 14), a waterproof cover structure (the upper cover 1 and the lower cover 2) and a waterproof joint structure (the waterproof ring 9 and the clamping ring 12) into a whole, does not need to be additionally assembled, and is convenient for a client to operate and wire;
the novel photovoltaic wall-through terminal does not need to be additionally provided with a waterproof cover structure, the waterproof cover structure is integrated on a product, an internal wiring mode is adopted, after a wire 13 terminal is connected in the lower cover 2 through a wiring end 14 and a nut 15, the upper cover 1 is buckled, the waterproof ring 9 is positioned at a buckling gap between the upper cover 1 and the lower cover 2 at the moment, the waterproof protection effect on the wiring position is achieved, meanwhile, a plurality of clamping rings 12 are tightly hooped on the outer surface of the wire 13, the waterproof protection effect on the connecting position of the wire 13 and the upper cover 1 and the lower cover 2 is achieved, and the waterproof effect is good;
this novel wall terminal of wearing of photovoltaic through the setting of spring pivot 3, taking off screw 5, removing buckle 7 after, spring pivot 3 can make 1 degrees angles of upper cover upset ninety degrees to keep this angle, need not external force and support, convenient wiring.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The novel photovoltaic wall-through terminal is characterized by comprising an upper cover (1) and a lower cover (2), wherein the lower cover (2) is buckled at the top of the upper cover (1), and the lower cover (2) is movably connected with the upper cover (1) through a spring rotating shaft (3);
the edge and the corner of the upper cover (1) are provided with positioning cylinders (4), screws (5) are inserted into the positioning cylinders (4), the edge of the top of each positioning cylinder (4) is fixedly connected with a fixing belt (6), and one side of each fixing belt (6) is fixedly connected with a buckle (7);
a screw tube (8) is arranged at the position, corresponding to the positioning tube (4), of the lower cover (2), the screw tube (8) is in threaded connection with a screw (5), a circle of waterproof ring (9) is fixedly connected to the top of the lower cover (2), a clamping block (10) is fixedly connected to one side of the lower cover (2), and the buckle (7) is buckled at the clamping block (10);
the copper bar (11) is fixedly connected to the inner part of the lower cover (2), a plurality of clamping rings (12) are fixedly connected to side openings of the lower cover (2) and the upper cover (1), wires (13) are clamped on the inner sides of the clamping rings (12), and terminals of the wires (13) are located in the lower cover (2);
the inside fixedly connected with wiring end (14) of lower cover (2), wiring end (14) run through wire rod (13) terminal, threaded connection has nut (15) on wiring end (14).
2. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: the upper cover (1) and the lower cover (2) are tightly buckled, and the upper cover (1) and the lower cover (2) are at ninety-degree angles when the upper cover (1) is opened through the spring rotating shaft (3).
3. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: when the upper cover (1) and the lower cover (2) are buckled, the upper cover and the lower cover are fixedly connected through the positioning cylinder (4), the screw (5) and the screw cylinder (8), and the fixing belt (6) and the buckle (7) are of an integrated structure.
4. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: the fixing belt (6) is made of elastic materials, and the buckle (7) is separated from the clamping block (10) when the fixing belt (6) is lifted.
5. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: the shape of the buckle (7) is L-shaped, and the screw tube (8) is vertically in one-to-one correspondence with the positioning tube (4).
6. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: waterproof circle (9) are located the lock gap department of upper cover (1) and lower cover (2), waterproof circle (9) are the silica gel material.
7. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: copper bar (11) and wiring end (14) fixed connection, snap ring (12) are the semicircle form.
8. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: the snap ring (12) forms a circular ring to be sleeved on the outer surface of the wire (13) when the upper cover (1) and the lower cover (2) are combined, and a flat terminal is integrated at the end part of the wire (13).
9. The novel photovoltaic wall-penetrating terminal of claim 1, characterized in that: the nut (15) is screwed on the wire (13) terminal, and the terminal (14) is positioned in the middle of the inner part of the lower cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069543.8A CN115799897A (en) | 2023-02-06 | 2023-02-06 | Novel photovoltaic wall-penetrating terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310069543.8A CN115799897A (en) | 2023-02-06 | 2023-02-06 | Novel photovoltaic wall-penetrating terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115799897A true CN115799897A (en) | 2023-03-14 |
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ID=85430050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310069543.8A Pending CN115799897A (en) | 2023-02-06 | 2023-02-06 | Novel photovoltaic wall-penetrating terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115799897A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1276565A (en) * | 1968-09-11 | 1972-06-01 | Int Standard Electric Corp | Terminal box for telephone subsets |
| US6220893B1 (en) * | 1999-04-23 | 2001-04-24 | Gerard Stephan | Severed wire splice |
| US20120181054A1 (en) * | 2011-01-18 | 2012-07-19 | Melton Gary A | Split Junction Box |
| CN110677123A (en) * | 2019-11-13 | 2020-01-10 | 江苏海天微电子股份有限公司 | Novel photovoltaic junction box |
-
2023
- 2023-02-06 CN CN202310069543.8A patent/CN115799897A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1276565A (en) * | 1968-09-11 | 1972-06-01 | Int Standard Electric Corp | Terminal box for telephone subsets |
| US6220893B1 (en) * | 1999-04-23 | 2001-04-24 | Gerard Stephan | Severed wire splice |
| US20120181054A1 (en) * | 2011-01-18 | 2012-07-19 | Melton Gary A | Split Junction Box |
| CN110677123A (en) * | 2019-11-13 | 2020-01-10 | 江苏海天微电子股份有限公司 | Novel photovoltaic junction box |
Non-Patent Citations (1)
| Title |
|---|
| 顾永辉等, 煤炭工业出版社 * |
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Application publication date: 20230314 |